Researchers at Sandia Lab have studied the mechanisms behind traumatic brain injury for about a decade. Their traumatic injury modeling and simulation project began with a head-and-neck representation, and now they’ve created a high-fidelity, digital model of a man from the waist up to study the minute mechanisms behind trauma. The specialized computer modeling and simulation methods help researchers better understand how blasts on a battlefield could lead to traumatic brain injury and injuries to vital organs, like the heart and lungs.

High-performance polymer fibers have been used in ballistics applications for more than forty years. Although effective at stopping or slowing down bullets, users have sometimes found these vests, which are worn either under or over clothing, to be heavy and bulky—akin to wearing 15 to 20 shirts at once on a hot summer day. Many would like a more comfortable alternative. NIST scientists have developed a new way to investigate the high-performance fibers used in modern body armor.

Engineering professors have created an origami-inspired, lightweight bulletproof shield that can protect law enforcement from gunfire. The new barrier can be folded compactly when not in use, making it easier to transport and deploy. When expanded — which takes only five seconds — it can provide cover for officers and stop bullets from several types of handguns. The ballistic barrier is made of twelve layers of Kevlar.

For several years, researchers have been trying to replicate the kind of protection combined with flexibility offered by certain kinds of animal scales. Their goal is to create protective gloves that are both resistant to piercing and still flexible enough. After five years of work, they believe they have done it. The solution came when they started looking more closely at the scales of an alligator gar.

In a new study, researchers investigate why hair is incredibly strong and resistant to breaking. The findings could lead to the development of new materials for body armor and help cosmetic manufacturers create better hair care products.

The conditions inside a burning building are perilous and can change rapidly. For firefighters searching for people trapped within a burning building, these risks can be exacerbated in a matter of seconds as exposure to high temperature may cause their personal protective equipment (PPE) to fail. This is particularly true in the presence of infrared radiation, which can rapidly increase the temperature of a firefighter’s environment without warning. DHS S&T is now working with partners to develop the Burn Saver Thermal Sensor, a battery-powered device that will be carried by firefighters and detects thermal changes in their operating environments.

In work that aims to protect soldiers from biological and chemical threats, scientists have created a material that is highly breathable yet protective from biological agents. This material is the first key component of futuristic smart uniforms that also will respond to and protect from environmental chemical hazards.

It is “boots on the ground” in this Harvard lab where the researchers are on a mission to protect U.S. troops on the battlefield. Researchersare developing next generation nanofibers at the Harvard Materials Research Science and Engineering Center (MRSEC). The researchers draw their inspiration from the cotton candy machine. They use their own version of that technology to spin a wide range of polymers, both natural and synthetic, into new fabrics and materials for military use.

A team of engineers has developed and tested a type of steel with a record-breaking ability to withstand an impact without deforming permanently. The new steel alloy could be used in a wide range of applications, from drill bits, to body armor for soldiers, to meteor-resistant casings for satellites.

If there is anything common among the 1.1 million firefighters — both career and volunteer — serving in the United States, it is that at any moment, they may be required to put their lives on the line to protect people and property from disaster. But who helps protect these dedicated public servants from the on-the-job dangers they face?

Bulletproof vests and other super-strong materials could soon become even tougher and more environmentally friendly at the same time with the help of extra firm, or “al dente,” fibers. These materials, which are powerful enough to stop speeding bullets, can also be used for many other tasks that require strength.

Combining the latest advances in sensor and wireless technology with comfortable protective clothing has opened up new partnership possibilities across a range of sectors. Numerous end users stand to benefit from the inclusion of smart technology in protective clothing. One French start-up has pioneered intelligent active protection systems for ski racers. Further advances may see the use of advanced protective clothing by soldiers and first responders.

Recent reports of chemical weapons attacks in the Middle East underscore the need for new ways to guard against their toxic effects. Scientists report that a new hydrogel coating that neutralizes both mustard gas and nerve agent VX. It could someday be applied to materials such as clothing and paint.

The longer a wounded victim on a scene of a crime must wait for medical treatment, the lower the likelihood of that victim’s survival. Medical personal, however, must wait until the police secure the scene before they are allowed to approach the wounded. More and more EMS units now carry Kevlar helmets and bullet-proof vests with them so they can rush to help the wounded even if the crime scene is not completely secured. Some residents of San Leandro, California say, however, that the decision by the city council to purchase an armored vehicle and convert it into an armored ambulance is going too far.

The boxfish’s unique armor draws its strength from hexagon-shaped scales and the connections between them, engineers have found. The engineers say that the structure of the boxfish could serve as inspiration for body armor, robots, and even flexible electronics.